.loader-bg {
    /* opacity: 0.5; */
    transition: .8s ease-in-out;
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background:  rgba(255, 255,255, 0.5);;
    z-index: 9999;
}
.loader {
    border: 14px solid #f3f3f3;
    border-top: 14px solid #50A8A4;
    border-radius: 50%;
    width: 100px;
    height: 100px;
    animation: spin 2s linear infinite;
    margin: 0 auto;
    position: fixed;
    z-index: 9999;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
}
@keyframes spin {
	0% { transform: rotate(0deg); }
	100% { transform: rotate(360deg); }
}